| State | Maine |
|---|---|
| Name | Silurian ultramafic rocks |
| Geologic age | Silurian |
| Lithologic constituents | Major
Igneous > Plutonic > UltramaficU - Unmetamorphosed
|
| Comments | GS - Greenschist facies; AB - Medium rank amphibolite facies; Protolith V - Basaltic volcanic rocks |
| Stratigraphic units | includes: 74 - Union ultramafic pluton (ME110). |
| References | Osberg, P.H., Hussey, A.M., and Boone, G.M., 1985, Bedrock geologic map of Maine: Maine Geological Survey, Dept. of Conserv., scale 1:500,000.Gaudette, H.E., 1981, Zircon isotopic age from the Union ultramafic complex, Maine: Can. Jour. Earth Sci., v. 18, p. 405-409. |
| NGMDB product | |
| Counties | Hancock - Knox - Waldo |